At the time of the 2006 National Census, the village's population was 3,208 in 820 households, when it was in Koshksaray Rural District of the Central District.[5] The following census in 2011 counted 3,431 people in 984 households.[6] The 2016 census measured the population of the village as 3,537 people in 1,064 households.[2]
In 2019, the rural district and the city of Koshksaray were separated from the district in the establishment of Koshksaray District, which was divided into two rural districts, including the new Yalquz Aghaj Rural District, to which Yalquz Aghaj was transferred.[4]
^Yalquz Aghaj can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3088469" in the "Unique Feature Id" form, and clicking on "Search Database".